Application of Integrated Postharvest Technology for Maintaining the Quality of Methyl Bromide Fumigated Mangosteen Fruit
Methyl bromide fumigation aims to control insect infestation in mangosteen fruit before export which leads to reduce the fruit quality. Thus, the objective of this study was to control the quality of methyl bromide fumigated mangosteen using integrated postharvest technology. Fruit were prepared by fumigating with 32 g m-3 for 2 hours, washed with tap water, surfaced disinfestation with sodium hypochlorite. The prepared fruit samples were divided to treat with different methods as follows; 1) fruit were coated with ethanolic shellac-modified coconut oil (ES-MCO) and then packed in low density polyethylene (LDPE) bag containing ethylene inhibitor (1-MCP sachet), 2) fruit were coated with ES-MCO and packed in LDPE bag, 3) fruit were treated with ES-MCO and packed in nylon net bag, and 4) fruit were non-coated and packed in nylon net bag (control). All fruit samples were kept at 13ºC for 20 days (as the shipment stimulation) and then transferred to 25ºC for 2 days (as the shelf-life stimulation). The results revealed that after 15 days of storage fruit were treated with ES-MCO + LDPE bag + 1-MCP sachet showed the highest reduction of fruit rot disease and this treatment helped to delay the drying and browning of mangosteen calyx, chlorophyll degradation of the calyx, and reduce weight loss, the respiration rate and ethylene production. However after storage for 20 days, the pericarp of mangosteen in fruit treated with ES-MCO + LDPE bag + 1-MCP sachet became hard, and its shelf-life was 15 days.
Copyright (c) 2023 Kanlaya Sripong, Thanwalee Srinon, Apiradee Uthairatanakij, Sontaya Limmatvapirat , Pongphen Jitareerat
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